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Key to families | Table of families and genera
Indexes to all accepted names and synonyms:
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Annual to tree, glandular or not. Leaf: simple to palmately or pinnately compound, generally alternate; stipules free to fused (0), persistent to deciduous. Inflorescence: cyme, raceme, panicle, cluster, or flowers 1; bractlets on pedicel ("pedicel bractlets") generally 0–3(many), subtended by bract or generally not. Flower: generally bisexual, radial; hypanthium free or fused to ovary, saucer- to funnel-shaped, subtending bractlets ("hypanthium bractlets") 0–5, alternate sepals; sepals generally 5; petals generally 5, free; stamens (0,1)5–many, anther pollen sacs generally 2; pistils (0)1–many, simple or compound, ovary superior to inferior, styles 1–5. Fruit: 1–many per flower, achene (fleshy-coated or not), follicle, drupe, or pome with generally papery core, occasionally drupe-like with 1–5 stones. Seed: generally 1–5 (per fruit, not per flower).
110 genera, ± 3000 species: worldwide, especially temperate; many cultivated for ornamental, fruit, especially Cotoneaster, Fragaria, Malus, Prunus, Pyracantha, Rosa, Rubus. [Potter et al. 2007 Plant Syst Evol 266:5–43] Number of teeth is per leaf or leaflet, not per side of leaf or leaflet, except in Drymocallis. —Scientific Editors: Daniel Potter, Thomas J. Rosatti.
Unabridged references: [Robertson 1974 J Arnold Arbor 55:303–332, 344–401, 611–662]
Key to Rosaceae
Generally shrub; (dioecious). Stem: persisting 1–2 years, rooting at tips and/or nodes or not, erect or arched to mounded or prostrate, 5-angled or not, hairy or glabrous, glaucous or not, stalked glands present or not; bristles or prickles 0–many, prickles stout and wide-based or weak and slender, straight or curved. Leaf: simple, palmately lobed, to palmately compound, leaflets 3 or 5(11), toothed, abaxially ± glabrous to densely hairy; stipules thread-like to ovate or elliptic. Inflorescence: raceme- or panicle-like cyme, axillary or terminal; pedicel bractlets 0. Flower: generally bisexual; hypanthium flat to saucer-shaped, bractlets 0; sepals persistent, reflexed to ascending, ovate or lance-ovate, hairy or glabrous, stalked or sessile glands present or not, tip pointed, prickly or not; petals widely obovate, spoon-shaped, or elliptic, white to ± pink or magenta; stamens generally >> 20, filaments thread- or strap-like; pistils 5–150, receptacle flat or convex to conical, spongy, generally elongated in fruit, ovaries superior, hairy or glabrous, styles long, slender or short, thick, glabrous or hairy; ovules 2, 1 maturing. Fruit: fleshy-coated achenes, aggregate of few to many, yellow, orange, red, or black, generally falling as unit, separating with (blackberry-type) or without (raspberry-type) receptacle attached.Key to Rubus
400–750 species: worldwide except Antarctica, especially northern temperate. (Latin: red; ancient name for bramble, blackberry)
Unabridged references: [Alice & Campbell 1999 Amer J Bot 86:81–97]
Perennial herb, prostrate; prickles 0. Stem: 1–3 mm diam, not angled, finely hairy, not glaucous, persisting 1 year, rooting at nodes. Leaf: simple, 3-lobed, or compound, leaflets 3, round to reniform, toothed, terminal lobe or leaflet generally obovate to obovate-wedge-shaped, tip rounded to acute, abaxially finely hairy; stipules 2–3 mm wide, generally ovate to widely elliptic. Inflorescence: flowers 1–2. Flower: sepals ± glabrous, generally with few stalked glands; petals (5)8–10(12) mm, obovate to round, white; filaments thread-like; pistils < 15, styles long, slender, ovaries densely white-hairy. Fruit: falling separately or as loose unit, raspberry-type, red.
2n=14. Moist, open forest; 1100–2000 m. Klamath Ranges, n High North Coast Ranges; to British Columbia. Jun–Aug [Online Interchange]
Previous taxon: Rubus laciniatus
Next taxon: Rubus leucodermis
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Apr 23 2014
Citation for this treatment: [Author of taxon treatment] 2012. Rubus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=42012, accessed on Apr 23 2014
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